What ions are found in hard water? What happens when water is “softened”?
Answer to relevant QuestionsWrite balanced equations describing the reaction of Sr with each of the following: O2, S8, Cl2, P4, H2, H2O, and HCl. What are three-centered bonds? From the information on the temperature stability of white and gray tin given in this chapter, which form would you expect to have the more ordered structure (have the smaller positional probability)? Using data from Appendix 4, calculate ΔHo, ΔSo, and ΔGo for the reaction Ns(g) + O2(g) → 2NO(g) Why does the NO formed in an automobile engine not readily decompose back to N2 and O2 in the atmosphere? What is the valence electron configuration for the alkali metals? List some common properties of alkali metals. How are the pure metals prepared?
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